RAM Chip Details

the sticker on front of the SODIMM says:

SAMSUNG
KOREA  0228
M470L6423CKO-CB0

The sticker on back says:

M470L6423CKO-CB  0009091  512MB

The printing on the RAM chips says:

SAMSUNG  226
K4H510838C-KCB0
VXE866CA KOREA